The F4 Pure Contact Balls feature ultra-strong, high impact construction to last year after year. These balls are ideal for practicing where space is limited. F4 Pure Contact Balls can flex without cracking or denting. The balls are vibrant green and light gray colored for easy location. Take your F4 Pure Contact Balls wherever you go with the included storage bag. Limited flight training golf balls allow practice in space restrictive areas Brightly colored for easy location Durable, dent resistant, long-lasting material High impact construction provides better performance than traditional plastic training balls Includes 12 practice balls in a re-usable, mesh, drawstring storage bag